the findings are already being presented by penn's research team. they use disabled hiv virus to help deliver these cells into the system. it's amazing technology showing incredible promise. >> that will be quite a breakthrough. >>> 16 minutes past the hour. the state of florida is considering a way to change plans the way college students are charged tuition. governor rick scott wants to charge each student according to their major. christine romans is going to love this. engineers, scientists and technology experts are in demand, students with those majors would pay less than students majoring in disciplines like history, philosophy, or even english. i don't know how i feel about that. the idea is to steer kids towards fields where there is the most need. they'll take up the idea during the next legislation. >> it's innovative, but for humanities majors like me, is it fair to pay more to study that stuff? but, you know, you have to -- >> i'm sure they'll debate this. >>> head to our blog, c cnn.com/earlystart. >> so if the faa's ban on smart phone